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Fisher 167DAS Series 167DAS-9 Three-Way Switching Valve

Fisher 167DAS Series 167DAS-9 Three-Way Switching Valve

  • Product Item : 167DAS-9
  • Product Brand : Fisher
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Fisher 167DAS Series Three-Way Switching Valve is a compact, precise, easy to maintain, rugged and corrosion-resistant three-way switching valve that can steadily reduce the pressure of gaseous fluids and deliver them to pilot-operated controllers and other pneumatic instruments through 1/4 or 1/2 NPT port connections. It can adapt to temperature environments from -40 to 180°F.


167DAS-9: Ports A and C are 1/2NPT, the air film range is 14 to 20psig when port A or C is used as the inlet, and the air film range is 7 to 20psig when port B is used as the inlet.

The technical parameters of the Fisher 167DAS-9 are as follows:

Connection specifications

Ports A and C: 1/4 or 1/2 NPT

Vent and control pressure connection (port D) and port B: 1/4 NPT

Pressure parameters

Maximum inlet pressure: 400 psig (27.6 bar); 100 psig (6.9 bar) for 167DAS under NACE conditions

Maximum diaphragm pressure: 150 psi (10.3 bar) above the outlet pressure setting, up to 250 psi (17.2 bar)

Temperature range

Standard service: -20 to 180°F (-29 to 82°C)

Low temperature service and standard service: -40 to 180°F (-40 to 82°C)

High temperature service: 0 to 300°F (-18 to 149°C)

Other parameters

Pressure recording method: Internal

Approximate weight: 2.8 lbs (1kg)